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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "FXNode.h"
#include "Player.h"
#include "../base/ObjectCounter.h"
#include "../graphics/GLContext.h"
namespace avg {
using namespace std;
FXNode::FXNode(bool bSupportsGLES)
: m_Size(0, 0),
m_bSupportsGLES(bSupportsGLES),
m_bDirty(true)
{
ObjectCounter::get()->incRef(&typeid(*this));
}
FXNode::~FXNode()
{
ObjectCounter::get()->decRef(&typeid(*this));
}
void FXNode::connect()
{
checkGLES();
if (m_Size != IntPoint(0,0)) {
m_pFilter = createFilter(m_Size);
}
}
void FXNode::disconnect()
{
m_pFilter = GPUFilterPtr();
}
void FXNode::setSize(const IntPoint& newSize)
{
if (newSize != m_Size) {
m_Size = newSize;
if (m_pFilter) {
m_pFilter = createFilter(m_Size);
}
}
}
void FXNode::apply(GLTexturePtr pSrcTex)
{
// blt overwrites everything, so no glClear necessary before.
GLContext::getMain()->setBlendMode(GLContext::BLEND_COPY);
m_pFilter->apply(pSrcTex);
}
GLTexturePtr FXNode::getTex()
{
return m_pFilter->getDestTex();
}
BitmapPtr FXNode::getImage()
{
return m_pFilter->getImage();
}
FRect FXNode::getRelDestRect() const
{
return m_pFilter->getRelDestRect();
}
bool FXNode::isDirty() const
{
return m_bDirty;
}
void FXNode::resetDirty()
{
m_bDirty = false;
}
FBOPtr FXNode::getFBO()
{
return m_pFilter->getFBO();
}
void FXNode::setDirty()
{
m_bDirty = true;
}
void FXNode::checkGLES() const
{
if (!m_bSupportsGLES && GLContext::getCurrent()->isGLES()) {
throw Exception(AVG_ERR_UNSUPPORTED, "This effect is unsupported under OpenGL ES.");
}
}
}
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